Chrome 기본 검색엔진 This setting is enforced by your administrator

Problem: the default search engine in Chrome is locked with a message:

This setting is enforced by your administrator

Search engine is locked by the policy
How to unblock it? 
he search engine change is restricted by group policy.
1. Run the command promt as administrator:
2. Paste each of three strings into console and press Enter:

RD /S /Q "%WinDir%\System32\GroupPolicyUsers" 
RD /S /Q "%WinDir%\System32\GroupPolicy" 
gpupdate /force

Wait until two notifications appear:

User Policy update has completed successfully.
Computer Policy update has completed successfully.

After that you can close the command promt window and try to change the search engine in Chrome: